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3 July 2000 Optical design of the ultralight-weight FIRST telescope
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Abstract
The FIRST telescope will be made of carbon fiber reinforced plastic. The optics follow a two mirror near-classical Ritchey-Chretian design, but deviates from that in two respects. The secondary mirror defines the pupil of the system, and the primary mirror is uncommonly fast at f/0.5. After presenting the optical design, the sensitivities will be presented. Current work in progress will be described in the following areas; (1) secondary mirror figure correction (2) stray light (3) primary mirror gaps (4) standing wave impact on the heterodyne instrument for FIRST (HIFI).
© (2000) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Eri J. Cohen, Anthony B. Hull, Javier Escobedo-Torres, Daniel D. Barber, Roger A. Johnston, Donald W. Small, Aluizio Prata Jr., and Edward R. Freniere "Optical design of the ultralight-weight FIRST telescope", Proc. SPIE 4015, Radio Telescopes, (3 July 2000); https://doi.org/10.1117/12.390451
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